package map;

import javafx.print.Collation;

import java.sql.SQLOutput;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.function.BiConsumer;

public class MapDemo02 {
    public static void main(String[] args) {
        Map<String, Integer> map = new HashMap();
        map.put("语文", 99);
        map.put("数学", 97);
        map.put("英语", 100);
        map.put("物理", 98);
        map.put("化学", 96);
        System.out.println(map);

        Set<String> keySet = map.keySet();
        for (String key : keySet) {
            System.out.println(key);
        }


        Set<Map.Entry<String, Integer>> entrySet = map.entrySet();
        for (Map.Entry<String, Integer> e : entrySet) {
            String key = e.getKey();
            Integer value = e.getValue();
            System.out.println(key + ":" + value);
        }

        Collection<Integer> values=map.values();
        for (Integer value:values){
            System.out.println(value);
        }

        keySet.forEach(e-> System.out.println(e));
        keySet.forEach(System.out::println);
        map.forEach((k,v)-> System.out.println(k+":"+v));

        System.out.println(map.get("语文"));
    }

}
